The SASTRA Ramanujan Prize is awarded annually for outstanding contributions by young mathematicians听to areas influenced by Srinivasa Ramanujan.听 Zhiwei joins an impressive list of mathematicians, including the following who received their Ph.D. at Princeton:听Terence Tao (Ph.D. 1996), Kannan Soundararajan (Ph.D. 1998), Manjul Bhargava (Ph.D. 2001), and Akshay Venkatesh (Ph.D. 2002).